The letter calls for an investigation into Canada’s wildfire management practices and for potential remedies under international law.

More Republican lawmakers are calling out Canada because of wildfires sending smoke billowing across the international border ...

You may notice a slight haze in the sky on Wednesday across the D.C. area as smoke from Canadian wildfires brushes the region ...

An Ontario labour group says it is advocating for more robust worker protections amid growing health concerns over poor air ...

Big heat is heading for the northern tier of the Northeast, while humidity levels stay down for much of the Northeast.

AccuWeather long-range experts also forecast more tropical storms and hurricanes developing and potentially rapidly ...